diff --git a/app/api/routers/auth.py b/app/api/routers/auth.py
index 3363b49..7508057 100644
--- a/app/api/routers/auth.py
+++ b/app/api/routers/auth.py
@@ -261,10 +261,12 @@ async def register(req: RegisterRequest, request: Request, db: Database = Depend
 
 @router.get("/status", response_model=AuthStatusResponse, summary="认证状态")
 async def auth_status(db: Database = Depends(get_db)):
-    """前端登录页据此判断是否展示登录表单。"""
+    """前端登录页据此判断是否展示登录表单。本期登录模式：账号密码 + 手机号验证码；微信扫码预留(未开放)。"""
     return AuthStatusResponse(
         enabled=config.AUTH_ENABLED,
         has_users=await db.users.has_users(),
+        login_modes=["password", "phone"] + (["wechat"] if config.AUTH_WECHAT_LOGIN else []),
+        wechat_login=config.AUTH_WECHAT_LOGIN,
     )
 
 
@@ -453,9 +455,11 @@ async def phone_login(req: PhoneLoginRequest, request: Request, db: Database = D
     return await _login_response(db, user, identity)
 
 
-@router.post("/wx-login", response_model=LoginResponse, summary="微信登录")
+@router.post("/wx-login", response_model=LoginResponse, summary="微信扫码登录(预留)")
 async def wx_login(req: WxLoginRequest, request: Request, db: Database = Depends(get_db)):
-    """微信 code 登录：未配置 appid 时直通（code 当 openid），便于联调。"""
+    """微信扫码登录：本期预留未开放。开启需 PINEAGENTS_WECHAT_LOGIN=true 且配置 appid/secret。"""
+    if not config.AUTH_WECHAT_LOGIN:
+        raise HTTPException(status_code=503, detail="微信登录预留中，本期未开放")
     if not config.AUTH_ENABLED:
         raise HTTPException(status_code=403, detail="认证未开启")
     try:
diff --git a/app/api/schemas/auth.py b/app/api/schemas/auth.py
index 5572041..8e88360 100644
--- a/app/api/schemas/auth.py
+++ b/app/api/schemas/auth.py
@@ -54,6 +54,8 @@ class RevokeTokenRequest(BaseModel):
 class AuthStatusResponse(BaseModel):
     enabled: bool
     has_users: bool
+    login_modes: list[str] = ["password", "phone"]  # 本期：账号密码 + 手机号验证码；微信扫码预留
+    wechat_login: bool = False  # 微信扫码(预留,本期未开放)
 
 class VerifyResponse(BaseModel):
     valid: bool
diff --git a/app/config.py b/app/config.py
index 038d35b..142cfdd 100644
--- a/app/config.py
+++ b/app/config.py
@@ -134,6 +134,8 @@ SMS_RATE_LIMIT = int(os.environ.get("PINEAGENTS_SMS_RATE_LIMIT", "5"))
 # ---------------------------------------------------------------------------
 WECHAT_APPID = os.environ.get("PINEAGENTS_WECHAT_APPID", "")
 WECHAT_SECRET = os.environ.get("PINEAGENTS_WECHAT_SECRET", "")
+# 本期统一登录仅两模式(账号密码/手机号验证码)；微信扫码预留后期，未开放(默认 False)。
+AUTH_WECHAT_LOGIN = os.environ.get("PINEAGENTS_WECHAT_LOGIN", "false").strip().lower() in ("true", "1", "yes")
 
 
 def resolve_token_expiry(expires_in: int | None) -> int: